Annual Mean Global Mean Surface Temperature Anomaly (C) GHCN v4, ERSST v5 Relative to 1880-1920 mean year T_anomaly 1880.5 0.1061 1881.5 0.1915 1882.5 0.1687 1883.5 0.0997 1884.5 -0.0105 1885.5 -0.0553 1886.5 -0.0376 1887.5 -0.0840 1888.5 0.1035 1889.5 0.1693 1890.5 -0.0809 1891.5 0.0499 1892.5 0.0043 1893.5 -0.0362 1894.5 -0.0283 1895.5 0.0486 1896.5 0.1644 1897.5 0.1652 1898.5 0.0035 1899.5 0.0976 1900.5 0.1921 1901.5 0.1149 1902.5 -0.0093 1903.5 -0.1006 1904.5 -0.1997 1905.5 0.0055 1906.5 0.0446 1907.5 -0.1180 1908.5 -0.1557 1909.5 -0.2088 1910.5 -0.1610 1911.5 -0.1700 1912.5 -0.0901 1913.5 -0.0770 1914.5 0.1162 1915.5 0.1290 1916.5 -0.0868 1917.5 -0.1884 1918.5 -0.0261 1919.5 -0.0077 1920.5 -0.0044 1921.5 0.0801 1922.5 -0.0100 1923.5 0.0095 1924.5 0.0017 1925.5 0.0512 1926.5 0.1650 1927.5 0.0551 1928.5 0.0743 1929.5 -0.0888 1930.5 0.1171 1931.5 0.1828 1932.5 0.1169 1933.5 -0.0119 1934.5 0.1486 1935.5 0.0738 1936.5 0.1243 1937.5 0.2451 1938.5 0.2698 1939.5 0.2563 1940.5 0.3996 1941.5 0.4597 1942.5 0.3410 1943.5 0.3612 1944.5 0.4754 1945.5 0.3635 1946.5 0.1983 1947.5 0.2454 1948.5 0.1651 1949.5 0.1609 1950.5 0.0982 1951.5 0.2021 1952.5 0.2843 1953.5 0.3518 1954.5 0.1407 1955.5 0.1313 1956.5 0.0828 1957.5 0.3198 1958.5 0.3371 1959.5 0.3045 1960.5 0.2513 1961.5 0.3327 1962.5 0.3095 1963.5 0.3273 1964.5 0.0741 1965.5 0.1659 1966.5 0.2159 1967.5 0.2514 1968.5 0.1934 1969.5 0.3293 1970.5 0.2991 1971.5 0.1918 1972.5 0.2825 1973.5 0.4352 1974.5 0.2043 1975.5 0.2612 1976.5 0.1759 1977.5 0.4525 1978.5 0.3429 1979.5 0.4378 1980.5 0.5317 1981.5 0.5953 1982.5 0.4116 1983.5 0.5845 1984.5 0.4296 1985.5 0.3904 1986.5 0.4564 1987.5 0.5955 1988.5 0.6596 1989.5 0.5465 1990.5 0.7240 1991.5 0.6781 1992.5 0.4943 1993.5 0.5058 1994.5 0.5869 1995.5 0.7221 1996.5 0.6030 1997.5 0.7391 1998.5 0.8863 1999.5 0.6603 2000.5 0.6715 2001.5 0.8140 2002.5 0.8990 2003.5 0.8951 2004.5 0.8159 2005.5 0.9542 2006.5 0.9145 2007.5 0.9374 2008.5 0.8182 2009.5 0.9320 2010.5 1.0002 2011.5 0.8806 2012.5 0.9186 2013.5 0.9607 2014.5 1.0209 2015.5 1.1728 2016.5 1.2891 2017.5 1.1973 2018.5 1.1240